Which triangles are congruent? How do you know?
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
10²-7² (C squared minus B squared equals A squared) (basically Pythagorean theorem but reversed)
100-49= 51 (square the numbers and subtract)
You can see the polygon in the attached figure.
It's a trapezoid, so it's not equilateral, nor regular.
